Nursing assistant (CNA) knowledge worksheet with answers

For most healthy adults, which pulse oximeter (oxygen saturation) reading is normal?

1. A60% to 65%
2. B80% to 85%
3. C95% to 100%
4. D70% to 75%

In the fire extinguisher acronym PASS, what does the P stand for?

1. APush the handle down hard
2. BPrepare the residents for evacuation
3. CPoint at the top of the flames
4. DPull the pin

On which side does a resident with one-sided leg weakness usually hold a cane?

1. AIn front of the body, with both hands
2. BEither side, changing every few steps
3. CThe strong (unaffected) side
4. DThe weak (affected) side

Which vision change commonly occurs with aging?

1. ADifficulty focusing on close objects
2. BA need for less light when reading
3. CBetter night vision than when younger
4. DSudden loss of all vision in one eye

A nursing assistant drops a clean towel on the floor. What should be done with it?

1. AShake it out and use it for the resident
2. BUse it only to dry the resident's feet
3. CFold it and return it to the linen cart
4. DTreat it as dirty and put it in the laundry

A resident's radial pulse is irregular. How should it be counted?

1. AFor a full 60 seconds
2. BFor 15 seconds, then multiplied by four
3. CFor 30 seconds, then multiplied by two
4. DFor 10 seconds, then multiplied by six

An alert resident tells the nursing assistant that she is leaving the facility today and starts packing. No discharge is planned. What should the nursing assistant do?

1. ALock her in her room until she changes her mind about leaving
2. BHelp her pack and walk her to the front door
3. CTake her suitcase away and hide it
4. DTell the nurse right away and stay with the resident

A resident with dementia starts screaming during a shower when the water sprays her face. What should the nursing assistant do?

1. AHold her still until she stops screaming
2. BTell her that she is being difficult
3. CStop, soothe her and keep the water away from her face
4. DFinish the shower quickly so that it is over sooner for her